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A man killed by Clarksville Police last week pleaded guilty to second-degree murder in Sumner County and spent 18 years in prison.

James Alfonzo Vaughn, 49, aka "Fuzz," is also connected to missing Nashville woman Letitia Lane. Lane had broken up with Vaughn, but her mother, Wilma Lane Taylor, said he was stalking her at work and may have persuaded her to go out to dinner one last time.

Vaughn went to Clarksville to stay with acquaintances, but when police attempted to talk to him about the missing person case, he barricaded himself inside an apartment and shot at officers before he was fatally wounded.

It certainly was not his first brush with the law.

He was convicted of first-degree murder in the July 2, 1995, shooting death of Tyrone Smith and numerous counts of attempted murder after three others were hit. He was convicted in May 1996, but only the first-degree murder charge was overturned by the Supreme Court of Tennessee due to ineffective counsel.

On Tuesday, 18th District Attorney General Lawrence Ray Whitley said rather than retry the case after it was overturned in 2008, Vaughn pleaded guilty to second-degree murder and was sentenced to 18 years instead of life.

Clarksville Police shot and killed Vaughn in the breezeway of an apartment on Big Sky Drive after a long standoff Friday. The Tennessee Bureau of Investigation is handling the investigation into the shooting at the request of 19th District Attorney John Carney.

The officer will be not be named because the case is under investigation, said CPD spokesman Jim Knoll.

Taylor said Lane had no connection to Clarksville but that Vaughn has family and friends with large tracts of land between Nashville and Clarksville. Family and friends have been passing out fliers and are desperate to find her.

Anyone with information is asked to call 911.

Reach Stephanie Ingersoll at singersoll@theleafchronicle.com or 931-245-0267 and on Twitter @StephLeaf.